20236009520

素因数分解:

$2^4\times 5^1\times {\mathrm{8291}}^1\times {\mathrm{30509}}^1$

素因数の和:38813

約数の個数: 40

約数和(自身を含む): 47055939120

約数和(自身を除く): 26819929600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 8291, 16582, 30509, 33164, 41455, 61018, 66328, 82910, 122036, 132656, 152545, 165820, 244072, 305090, 331640, 488144, 610180, 663280, 1220360, 2440720, 252950119, 505900238, 1011800476, 1264750595, 2023600952, 2529501190, 4047201904, 5059002380, 10118004760, 20236009520]

約数ペア:

[(1, 20236009520), (2, 10118004760), (4, 5059002380), (5, 4047201904), (8, 2529501190), (10, 2023600952), (16, 1264750595), (20, 1011800476), (40, 505900238), (80, 252950119), (8291, 2440720), (16582, 1220360), (30509, 663280), (33164, 610180), (41455, 488144), (61018, 331640), (66328, 305090), (82910, 244072), (122036, 165820), (132656, 152545)]